--- a/meson.build
+++ b/meson.build
@@ -448,7 +448,8 @@
 
 # Android uses emutls for versions <= P/28. For USE_ELF_TLS we need ELF TLS.
 use_elf_tls = false
-if not ['windows', 'freebsd', 'openbsd', 'haiku'].contains(host_machine.system()) and (not with_platform_android or get_option('platform-sdk-version') >= 29)
+with_use_elf_tls = get_option('use-elf-tls')
+if with_use_elf_tls and not ['windows', 'freebsd'].contains(host_machine.system()) and (not with_platform_android or get_option('platform-sdk-version') >= 29)
   pre_args += '-DUSE_ELF_TLS'
   use_elf_tls = true
 endif
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -464,3 +464,9 @@
   value : true,
   description : 'use msse2 flag for mingw x86. Default: true',
 )
+option(
+  'use-elf-tls',
+  type : 'boolean',
+  value : false,
+  description : 'Build support for initial-exec TLS model'
+)